TY  - BOOK
AU  - Rana, Anuj Kumar
AU  - Rana, Manoj Kumar
TI  - Environment and ecology: a scientfic approach 
SN  - 9788182203884
U1  - 574.5 
PY  - 2011///
CY  - New Delhi
PB  - Global Vision Publishing House
N1  - Includes bibliographical references and  index
ER  -